[2.3.x] Use property sub. for the exclude file.
[2.3.x] This should be the last findbugs change.  Exclude configuration is now working as expected.
[2.3.x] + fix issue #1573
https://java.net/jira/browse/GRIZZLY-1573

"Endless loop at TCPNIOTransport.read when reading -1 bytes"
[2.3.x] Adding more excludes.
[2.3.x] Minor findbugs cleanup and excludes.  Down to around 46.
[2.3.x] Fix copyrights.